We were invited to try out a new stretchy wrap recently and ended up having a conversation about the different degrees of ‘stretchiness’ that a stretchy wrap has. (Read more about the differences between stretchy wraps on the North East Sling Library site). Out of interest, we calculated the stretchiness of some of the main brands (by stretching a set width of material using the same force and measuring the maximum stretch)*. Here are our results:
Product | 30cm stretched to: | Stretchiness | Stretch | Fabric constitution |
Baby Bundler (the first stretchy wrap brand!) | 33cm | 10% | 1 way | 100% cotton |
Boba Wrap | 43cm | 43% | 2 way | 95% cotton, 5% spandex |
By Kay Original | 36cm | 20% | 1 way | 100% cotton |
By Kay Aqua Carrier | 34cm | 13.3% | 1 way | 100% polyester |
Calin Bleu Fleece | 36cm | 20% | 1 way | 100% polyester |
Cot to Tot | 43cm | 43% | 2 way | 95% cotton, 5% spandex |
Designed 2U | 35cm | 17% | 1 way | 100% cotton |
Ergo Wrap | 41cm | 36.6% | 2 way | 100% cotton |
Hana Wrap | 42cm | 40% | 2 way | 68% bamboo, 28% cotton, 4% elastane |
Hoppediz Wrap | 36cm | 20% | 1 way | 100% cotton |
JPMBB (Je Porte Mon Bebe) | 65cm | 117% | 2 way | 95% cotton, 5% spandex |
Joy & Joe | 35cm | 17% | 1 way | 100% cotton |
Kari Me | 43cm | 43% | 2 way | 90%+ cotton |
Moby Original | 35cm | 17% | 1 way | 100% cotton |
Moby Mediumweight | 35cm | 17% | 1 way | 100% cotton |
Sling School | 43cm | 43% | 2 way | 94% cotton, 6% lycra |
Victoria Slinglady | 37cm | 23% | 1 way | 100% cotton |
Wrapsody Stretch Hybrid | 35cm | 17% | 1 way | 100% cotton |
Wrapsody WrapDuo | 38cm | 27% | 2 way | 100% polyester |
* We didn’t do this under lab conditions, but we did measure pretty carefully & try each stretch three times, taking the average measurement. For hemmed wraps, we measured away from the hem as we found that the hem reduced the stretch by 20 – 30%.
Any brands we’ve missed? Any thoughts or questions? Please send us an e-mail.